Ham and Cheese Puff Pastry is a deliciously simple baked treat made with flaky puff pastry, savory ham, and creamy melted Gruyère cheese. The pastry becomes crisp and golden in the oven while the filling stays warm, tender, and wonderfully cheesy. Fresh thyme and everything bagel seasoning add extra flavor and texture, while an optional layer of Dijon mustard provides a pleasant tangy contrast.
This recipe is ideal when you want something impressive without spending hours making dough from scratch. Store-bought puff pastry does most of the work, allowing you to create bakery-style pastries with just a few ingredients and straightforward preparation.
These savory pastries are excellent for breakfast, brunch, afternoon snacks, lunch boxes, holiday gatherings, parties, and casual family meals. They can be served on their own or paired with eggs, fruit, soup, salad, or roasted vegetables.
1. Why You Will Love This Recipe
There are plenty of reasons to keep this recipe handy:
- It uses only a few main ingredients.
- Store-bought puff pastry saves considerable preparation time.
- The pastries look elegant enough for entertaining.
- Ham and Gruyère create a classic savory combination.
- The pastry becomes beautifully crisp and flaky.
- Each pastry is individually portioned.
- Dijon mustard can add extra flavor if desired.
- Fresh thyme gives the filling a pleasant herbal aroma.
- Everything bagel seasoning adds crunch and savory flavor.
- The pastries can be prepared ahead of time.
The result is a warm pastry with crisp golden layers on the outside and melted cheese and savory ham inside.
2. Ingredients
Main Ingredients
- 1 sheet puff pastry, approximately 8 ounces, thawed according to package directions
- 6 ounces thinly sliced ham
- 6 ounces Gruyère cheese, cut into 6 rectangles
- 4 sprigs fresh thyme, leaves removed
- 1 tablespoon everything bagel seasoning
- Dijon mustard, optional
Egg Wash
- 1 large egg
- 1 tablespoon heavy cream
The egg wash gives the pastries their attractive glossy surface and encourages even browning during baking.
3. Choosing the Puff Pastry
Frozen puff pastry is the easiest option for this recipe.
Allow it to thaw according to the instructions on its package. It should become flexible enough to unfold without cracking, but it should remain cool.
This balance is important. Very cold pastry can crack when folded, while warm pastry can become sticky and difficult to handle.
If the pastry becomes too soft while you are preparing the filling, place it in the refrigerator for several minutes before continuing.
Keeping the pastry cool helps preserve the butter layers responsible for the characteristic flaky texture.
4. Choosing the Ham
Thinly sliced deli ham works particularly well.
It is flexible enough to fold into smaller portions and fits comfortably inside each pastry rectangle.
You can use a mild ham for a gentle flavor or a more strongly seasoned variety for a bolder pastry.
Because ham can vary considerably in saltiness, taste the finished filling before adding any additional salt. The Gruyère and everything bagel seasoning also contain savory flavors, so extra salt may not be necessary.
5. Choosing Gruyère Cheese
Gruyère is an excellent choice because it melts smoothly and develops a rich, slightly nutty flavor.
Cut the cheese into six pieces that fit comfortably in the center of each pastry.
If you cannot find Gruyère, other good melting cheeses can be used, such as Swiss cheese, Emmental, or mild cheddar. Each substitute will create a slightly different flavor.
Avoid using an excessive amount of cheese because too much filling can escape during baking.
6. Preparing the Oven
Begin by preheating the oven to:
425°F (220°C).
A properly heated oven is essential for puff pastry.
The high heat allows the butter layers inside the dough to produce steam rapidly. This steam helps separate the pastry layers and gives the finished pastries their characteristic puffed appearance.
Line a baking sheet with parchment paper.
The parchment helps prevent sticking and also makes cleanup easier if melted cheese escapes from the pastries.
7. Preparing the Egg Wash
Place the egg and heavy cream in a small bowl.
Whisk them together until the mixture is smooth and evenly combined.
The egg provides color and shine, while the cream helps create a rich golden appearance.
Set the egg wash aside until the pastries have been filled and shaped.
8. Preparing the Puff Pastry
Once the pastry is thawed, carefully unfold it on a lightly prepared work surface.
If necessary, gently roll it just enough to smooth out creases.
Do not roll it aggressively because excessive rolling can compress the layers that need to expand in the oven.
The goal is simply to create an even sheet.
9. Cutting the Pastry
Cut the puff pastry sheet into 6 equal rectangles.
A simple method is to divide the sheet lengthwise and then cut each section into three portions.
Try to keep the rectangles as similar in size as possible.
Uniform pieces are helpful because they will generally require similar baking times.
Place the six pastry rectangles onto the parchment-lined baking sheet.
Leave a little space between them so the hot air can circulate around each pastry.
10. Adding the Dijon Mustard
Dijon mustard is optional, but it adds an excellent tangy flavor.
If using it, spread a thin layer over the center portion of each pastry.
Approximately 2 teaspoons per pastry can be used, depending on your preference.
Do not spread mustard all the way to the edges because the pastry needs a clean border for sealing.
If you prefer a milder flavor, simply leave the mustard out.
11. Adding the Ham
Fold or roll each portion of ham so that it fits neatly in the center of the pastry.
Place the ham over the mustard, if using.
Try not to pile the ham too high.
A moderate amount of filling allows the pastry to close properly and reduces the possibility of the filling spilling out during baking.
12. Adding the Gruyère
Place one rectangle of Gruyère over the ham in each pastry.
The cheese should remain near the center rather than reaching the edges.
As it melts, it will spread naturally.
Keeping the cheese away from the outer edge helps prevent excessive leakage.
13. Sealing the Pastries
Brush the exposed pastry edges lightly with egg wash.
Bring two opposite corners toward each other over the filling.
Press them gently together to create a secure closure.
The remaining corners can stay open.
Do not press the pastry too aggressively because you want to preserve as much of the puff pastry structure as possible.
If the pastry becomes difficult to handle, refrigerate it for several minutes and then continue.
14. Applying the Egg Wash
Once all six pastries have been shaped, brush the exposed pastry surfaces with the prepared egg wash.
Use a pastry brush and apply a thin, even coating.
Avoid allowing large amounts of egg wash to pool around the edges because this can interfere with the pastry’s ability to rise.
The egg wash should cover the visible pastry rather than saturate it.
15. Adding the Toppings
Remove the leaves from the fresh thyme sprigs.
Sprinkle the thyme evenly over the pastries.
Follow with the everything bagel seasoning.
The seasoning adds sesame seeds, onion, garlic, and other savory notes while creating a lightly crunchy surface.
Do not use excessive seasoning because it can make the pastry too salty.
16. Baking the Pastries
Place the baking sheet in the preheated oven.
Bake at:
425°F (220°C) for approximately 20–25 minutes.
During baking, the pastry should gradually puff and become golden brown.
The cheese will melt inside while the ham warms.
Avoid opening the oven repeatedly during the first part of baking because maintaining a strong, consistent temperature helps the puff pastry rise properly.
17. Checking for Doneness
The pastries are ready when:
- The puff pastry is noticeably expanded.
- The exterior is deep golden brown.
- The layers look crisp.
- The cheese has melted.
- The underside is cooked rather than pale or doughy.
If the tops become golden before the pastry is fully baked, reduce the oven temperature slightly and continue baking until the layers are properly cooked.
Because ovens vary, the final appearance should be used along with the recommended time to determine doneness.
18. Cooling Before Serving
Remove the pastries from the oven and allow them to cool for several minutes.
The filling will be extremely hot immediately after baking.
A short resting period also allows the melted cheese to settle slightly, making the pastries easier to eat.
Serve them warm while the pastry remains crisp.
19. Serving Suggestions
These savory pastries can be served in many different ways.
Breakfast
Serve one alongside:
- Scrambled eggs
- Fresh fruit
- Yogurt
- Coffee
- Tea
Brunch
Arrange the pastries on a large platter with:
- Fresh berries
- Melon
- Green salad
- Roasted potatoes
- Eggs
Lunch
Pair them with:
- Tomato soup
- Vegetable soup
- Green salad
- Roasted vegetables
Party Appetizer
Cut larger pastries into smaller portions or prepare smaller versions using smaller pastry pieces.
Arrange them on a serving tray with mustard or another dipping sauce.
20. Flavor Variations
1. Ham and Cheddar
Replace Gruyère with sharp or mild cheddar for a familiar flavor.
2. Turkey and Swiss
Use thinly sliced turkey instead of ham and Swiss cheese instead of Gruyère.
3. Ham, Cheese, and Spinach
Add a small amount of well-drained cooked spinach to the filling.
Avoid wet spinach because excess moisture can make the pastry soggy.
4. Ham and Apple
Add a few very thin slices of apple for a sweet and savory combination.
5. Spicy Ham and Cheese
Add a small amount of crushed red pepper or hot sauce to the mustard.
6. Herb and Cheese
Skip the ham and use additional herbs with Gruyère for a vegetarian version.
21. Tips for Flaky Pastry
- Keep the puff pastry cool.
- Do not overwork the dough.
- Avoid excessive filling.
- Seal the pastry gently.
- Use a hot, fully preheated oven.
- Do not allow egg wash to pool around the edges.
- Leave space between pastries.
- Bake until thoroughly golden.
- Avoid opening the oven repeatedly.
- Serve relatively soon after baking.
These small details can make a noticeable difference in the final texture.
22. Storage
If you have leftover pastries, allow them to cool completely.
Place them in an airtight container and refrigerate.
For the best quality, consume refrigerated leftovers within a few days.
The pastry will naturally lose some of its original crispness during storage, but reheating can restore much of the texture.
23. Reheating
The oven or toaster oven is the preferred reheating method.
Heat the pastries at approximately:
350°F (175°C) for 5–10 minutes.
Check them frequently so the pastry does not become excessively dark.
An air fryer can also work well at approximately 325–350°F (165–175°C) for several minutes.
Avoid using the microwave whenever possible because it can make puff pastry soft and chewy.
24. Make-Ahead Option
The pastries can be assembled before baking.
Prepare the filled and shaped pastries, place them on a parchment-lined tray, cover them carefully, and refrigerate them until you are ready to bake.
Brush them with fresh egg wash and add the toppings immediately before baking.
Because puff pastry works best when cold, preparing it ahead and keeping it chilled can actually make handling easier.
25. Complete Recipe Card
Ham and Cheese Puff Pastry
Prep Time: 10 minutes
Bake Time: 20–25 minutes
Total Time: 30–35 minutes
Servings: 6 pastries
Difficulty: Easy
Category: Breakfast, Brunch, Snack, Appetizer
Temperature: 425°F (220°C)
Ingredients
- 1 sheet puff pastry, approximately 8 ounces
- 6 ounces thinly sliced ham
- 6 ounces Gruyère cheese
- 4 sprigs fresh thyme
- 1 tablespoon everything bagel seasoning
- Dijon mustard, optional
Egg Wash
- 1 large egg
- 1 tablespoon heavy cream
26. Numbered Instructions
- Preheat the oven to 425°F (220°C).
- Line a baking sheet with parchment paper.
- Whisk the egg and heavy cream together in a small bowl.
- Thaw the puff pastry according to its package instructions.
- Gently roll the pastry just enough to smooth any folds.
- Cut the pastry into six equal rectangles.
- Place the rectangles on the prepared baking sheet.
- Spread a thin layer of Dijon mustard in the center of each rectangle if desired.
- Place approximately 1 ounce of ham in the center of each pastry.
- Add one piece of Gruyère over the ham.
- Brush the exposed pastry edges lightly with egg wash.
- Bring two corners together over the filling.
- Press the corners gently to secure the shape.
- Brush the tops with the remaining egg wash.
- Sprinkle fresh thyme leaves over each pastry.
- Add everything bagel seasoning.
- Bake for 20–25 minutes.
- Remove when the pastries are puffed and deep golden brown.
- Allow them to cool for several minutes.
- Serve warm while the cheese is melted and the pastry is crisp.
27. Final Recipe Notes
For the best results, remember that cold puff pastry and a hot oven are two of the most important factors in achieving flaky layers.
Do not overfill the pastries, even if you love ham and cheese. Too much filling can prevent the pastry from closing properly and may cause melted cheese to escape.
Fresh thyme gives the pastries a particularly pleasant aroma, but dried thyme can be used in a smaller quantity if fresh herbs are unavailable.
Everything bagel seasoning already contains salty ingredients, so additional salt is generally unnecessary.
If preparing these pastries for guests, assemble them ahead of time and keep them chilled until shortly before baking. Freshly baked pastries are especially appealing because the layers are crisp, the cheese is melted, and the aroma of warm ham, butter, cheese, and herbs fills the kitchen.
This Ham and Cheese Puff Pastry is ultimately a simple recipe with an impressive result. A handful of convenient ingredients becomes a golden, flaky, savory pastry that works equally well at a relaxed family breakfast or an elegant brunch table.
